Top Definition
A seemingly swollen testicle that actually just has a lot of fluid surrounding it. Also known as a hydrocele. May appear to be the size of an avocado. Used for comic relief among sports teams.
Dude, did you see Matt's wolfnut today?

Nah man, wait I though he got that shit drained?

No bro it's back for more.
by wolfnutzzz July 24, 2014
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